Base | Representation |
---|---|
bin | 11011001101101… |
… | …01001010011101 |
3 | 120220112222110022 |
4 | 31212311022131 |
5 | 431420024122 |
6 | 34352521525 |
7 | 5441242133 |
oct | 1546651235 |
9 | 526488408 |
10 | 228283037 |
11 | 107950474 |
12 | 645502a5 |
13 | 383aa928 |
14 | 22465753 |
15 | 15094642 |
hex | d9b529d |
228283037 has 2 divisors, whose sum is σ = 228283038. Its totient is φ = 228283036.
The previous prime is 228282991. The next prime is 228283079. The reversal of 228283037 is 730382822.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 228281881 + 1156 = 15109^2 + 34^2 .
It is a cyclic number.
It is not a de Polignac number, because 228283037 - 26 = 228282973 is a prime.
It is a super-2 number, since 2×2282830372 = 104226289963886738, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 228282988 and 228283006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (248283037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114141518 + 114141519.
It is an arithmetic number, because the mean of its divisors is an integer number (114141519).
Almost surely, 2228283037 is an apocalyptic number.
It is an amenable number.
228283037 is a deficient number, since it is larger than the sum of its proper divisors (1).
228283037 is an equidigital number, since it uses as much as digits as its factorization.
228283037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32256, while the sum is 35.
The square root of 228283037 is about 15109.0382552961. The cubic root of 228283037 is about 611.1641630992.
The spelling of 228283037 in words is "two hundred twenty-eight million, two hundred eighty-three thousand, thirty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •